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    • 1. 发明授权
    • Three-dimensional display apparatus, method, and program
    • 三维显示装置,方法和程序
    • US08199147B2
    • 2012-06-12
    • US13120530
    • 2009-09-25
    • Eiji IshiyamaKouichi YahagiTomonori Masuda
    • Eiji IshiyamaKouichi YahagiTomonori Masuda
    • G06T15/00G09G5/00
    • H04N5/76H04N9/8042H04N13/183H04N13/254
    • A subject is imaged at a predetermined time interval by a plurality of imaging units which obtains a plurality of images having a parallax of a subject viewed from different viewpoints by imaging the subject from different viewpoints. An evaluation value which includes at least one of a luminance and a high frequency component of the images obtained by the imaging units at the predetermined time interval is calculated. When the evaluation value has changed by an amount exceeding a predetermined threshold value, the distance information calculation and three-dimensional processing on the plurality of images and object are performed. Here, a relative position of the object with respect to the three-dimensional image in a three-dimensional space is changed based on the distance information such that overlapping of the object and the three-dimensional image on top of each other is prevented when the three-dimensional display is performed.
    • 通过多个成像单元以预定的时间间隔对被摄体进行成像,所述多个成像单元通过从不同的视点对被摄体进行成像来获得具有从不同视点观看的被摄体的视差的多个图像。 计算包括以预定时间间隔由成像单元获得的图像的亮度和高频分量中的至少一个的评估值。 当评估值改变超过预定阈值的量时,执行对多个图像和对象的距离信息计算和三维处理。 这里,基于距离信息来改变对象相对于三维空间中的三维图像的相对位置,使得当物体和三维图像在顶部彼此的重叠被防止时 执行三维显示。
    • 2. 发明申请
    • THREE-DIMENSIONAL DISPLAY APPARATUS, METHOD, AND PROGRAM
    • 三维显示设备,方法和程序
    • US20110169825A1
    • 2011-07-14
    • US13120530
    • 2009-09-25
    • Eiji IshiyamaKouichi YahagiTomonori Masuda
    • Eiji IshiyamaKouichi YahagiTomonori Masuda
    • G06T15/00
    • H04N5/76H04N9/8042H04N13/183H04N13/254
    • A subject is imaged at a predetermined time interval by a plurality of imaging units which obtains a plurality of images having a parallax of a subject viewed from different viewpoints by imaging the subject from different viewpoints. An evaluation value which includes at least one of a luminance and a high frequency component of the images obtained by the imaging units at the predetermined time interval is calculated. When the evaluation value has changed by an amount exceeding a predetermined threshold value, the distance information calculation and three-dimensional processing on the plurality of images and object are performed. Here, a relative position of the object with respect to the three-dimensional image in a three-dimensional space is changed based on the distance information such that overlapping of the object and the three-dimensional image on top of each other is prevented when the three-dimensional display is performed.
    • 通过多个成像单元以预定的时间间隔对被摄体进行成像,所述多个成像单元通过从不同的视点对被摄体进行成像来获得具有从不同视点观看的被摄体的视差的多个图像。 计算包括以预定时间间隔由成像单元获得的图像的亮度和高频分量中的至少一个的评估值。 当评估值改变超过预定阈值的量时,执行对多个图像和对象的距离信息计算和三维处理。 这里,基于距离信息来改变对象相对于三维空间中的三维图像的相对位置,使得当物体和三维图像在顶部彼此的重叠被防止时 执行三维显示。
    • 5. 发明授权
    • Analog-to-digital conversion method and apparatus with a controlled
switch for high-speed conversion
    • 具有用于高速转换的受控开关的模数转换方法和装置
    • US5247301A
    • 1993-09-21
    • US761262
    • 1991-09-17
    • Kouichi YahagiMasumi Kasahara
    • Kouichi YahagiMasumi Kasahara
    • H03M1/12G11C27/02H03K17/16H03K17/687H03M1/14H03M1/36
    • H03K17/162H03M1/146H03M1/361
    • An analog-to-digital converter receiving an analog signal and producing a digital output signal corresponding to a value of the analog signal includes a plurality of sets each having a plurality of sample-and-hold circuits having inputs connected in parallel with each other, an analog switch responsive to a control signal to apply the input analog signal to the junction of the parallel connection of the plurality of sample-and-hold circuits, and a plurality of encoders respectively connected to outputs of the plurality of sets to convert output signals of the plurality of sample-and-hold circuits into a binary signal. Each of the plurality of sample-and-hold circuits includes a series connection of a second analog switch and a capacitor and the analog-to-digital converter further includes comparators connected to outputs of the plurality of sample-and-hold circuits. Advantageously, errors in timing for sampling conducted in the plurality of sample-and-hold circuits can be eliminated.
    • 接收模拟信号并产生与模拟信号的值相对应的数字输出信号的模拟数字转换器包括多个组,每组具有多个具有彼此并联连接的采样和保持电路, 响应于控制信号的模拟开关,将输入的模拟信号施加到多个采样和保持电路的并联连接的接头以及分别连接到多个组的输出以转换输出信号的多个编码器 的多个采样和保持电路转换为二进制信号。 多个采样和保持电路中的每一个包括第二模拟开关和电容器的串联连接,并且模数转换器还包括连接到多个采样和保持电路的输出的比较器。 有利地,可以消除在多个采样和保持电路中进行的采样的定时误差。
    • 6. 发明授权
    • Image input system
    • 图像输入系统
    • US07278577B2
    • 2007-10-09
    • US10823642
    • 2004-04-14
    • Kouichi YahagiMasumi KasaharaHiroki Nakajima
    • Kouichi YahagiMasumi KasaharaHiroki Nakajima
    • G06F7/10H03K3/00G06K7/10G06K15/12G06K7/14H03G3/32H04N5/20
    • H04N5/378H04N5/3572H04N5/3575H04N5/361H04N5/3655
    • An image input system includes a solid state image pickup device and a preprocessor for performing correlated double sampling amplification on an output of the image pickup device and outputting a video signal. The preprocessor has a correlated double sampling amplifier for outputting signal information corresponding to a difference voltage between the black level in a feedthrough period of the image pickup device and a signal level in a charge signal output period; and an offset cancelling circuit for cancelling an offset voltage corresponding to the difference voltage in a state where the image pickup device is optically interrupted to the input terminal of the correlated double sampling amplifier. The correlated double sampling amplifier cancels out the offset voltage and the offset cancelling voltage as signal components of polarities opposite to each other, so that circuits following the correlated double sampling amplifier are not influenced by the offset voltage.
    • 图像输入系统包括固态图像拾取装置和预处理器,用于对图像拾取装置的输出执行相关双重采样放大并输出视频信号。 所述预处理器具有相关联的双采样放大器,用于输出对应于图像拾取装置的馈通周期中的黑电平与电荷信号输出周期中的信号电平之间的差电压的信号信息; 以及偏移消除电路,用于在图像拾取器件被光学地中断到相关双采样放大器的输入端的状态下消除对应于差分电压的偏移电压。 相关双采样放大器消除偏移电压和偏移消除电压作为彼此相反极性的信号分量,使得相关双采样放大器之后的电路不受偏移电压的影响。
    • 7. 发明申请
    • Image input system
    • 图像输入系统
    • US20070007347A1
    • 2007-01-11
    • US11434167
    • 2006-05-16
    • Kouichi YahagiMasumi KasaharaHiroki Nakajima
    • Kouichi YahagiMasumi KasaharaHiroki Nakajima
    • G06K7/10
    • H04N5/378H04N5/3572H04N5/3575H04N5/361H04N5/3655
    • An image input system comprises a solid state image pickup device and a preprocessor (3) for performing correlated double sampling amplification on an output signal of the solid state image pickup device and outputting a video signal. The preprocessor comprises: a correlated double sampling amplifier (30) for outputting signal information corresponding to a difference voltage between the black level in a feedthrough period of the solid state image pickup device and a signal level in a charge signal output period; and offset cancelling means (38) for applying an offset cancelling voltage for cancelling an offset voltage corresponding to the difference voltage between the black level and the signal level in a state where the solid state image pickup device is optically interrupted to the input terminal of the correlated double sampling amplifier. The correlated double sampling amplifier cancels out the offset voltage and the offset cancelling voltage as signal components of polarities opposite to each other. Circuits at the post stage of the correlated double sampling amplifier are not influenced by the offset voltage. Even if capacitive noise characteristics of the solid state image pickup device are not preferable, a high-grade image can be inputted.
    • 图像输入系统包括固态图像拾取装置和用于对固态图像拾取装置的输出信号执行相关双重采样放大并输出视频信号的预处理器(3)。 预处理器包括:相关双采样放大器(30),用于输出与固态图像拾取装置的馈通周期中的黑电平和充电信号输出周期中的信号电平之间的差电压相对应的信号信息; 以及偏移消除装置(38),用于在固态图像拾取装置被光学地中断到所述黑电平和信号电平的输入端的状态下,施加用于抵消与黑电平和信号电平之间的差电压相对应的偏移电压的偏移消除电压 相关双采样放大器。 相关的双采样放大器消除偏移电压和偏移消除电压作为彼此相反极性的信号分量。 相关双采样放大器后级的电路不受偏移电压的影响。 即使固态摄像装置的电容噪声特性不优选,也可以输入高等级的图像。
    • 9. 发明授权
    • Semiconductor integrated circuit for communication including analog-to-digital conversion circuit
    • 用于通信的半导体集成电路包括模数转换电路
    • US07286074B2
    • 2007-10-23
    • US11189701
    • 2005-07-27
    • Junya KudohKouichi YahagiTatsuji Matsuura
    • Junya KudohKouichi YahagiTatsuji Matsuura
    • H03M1/34
    • H03M1/0845H03M1/365H03M1/44H03M1/804H03M3/368H03M3/454
    • A semiconductor integrated circuit having a built-in A/D conversion circuit which enables, where the A/D conversion circuit is to be built into a semiconductor chip, the required capacitance of the stabilization capacitor to be connected to the output terminals of reference voltage generators for generating reference voltages to be reduced is to be provided to contribute to preventing the number of external terminals and the chip size from increasing. A semiconductor integrated circuit having a built-in differential type A/D conversion circuit comprising a differential amplifier, a local A/D converter and local D/A converters, further provided with a first reference voltage generator for generating a first reference voltage and a second reference voltage generator for generating a second reference voltage both for use by the local A/D converter, wherein the first reference voltage generator and the second reference voltage generator are provided as common reference voltage generators with a reference voltage generator for generating a first reference voltage and a second reference voltage both for use by the local D/A converters, and a capacitance element for stabilizing the generated reference voltages is connected between the output terminal of the first reference voltage generator and that of the second reference voltage generator.
    • 一种具有内置A / D转换电路的半导体集成电路,其能够将A / D转换电路内置于半导体芯片中,将要连接到参考电压的输出端的稳定电容器的所需电容 提供用于产生要减小的参考电压的发生器用于防止外部端子的数量和芯片尺寸的增加。 一种具有内置差分型A / D转换电路的半导体集成电路,包括差分放大器,局部A / D转换器和本地D / A转换器,还具有用于产生第一参考电压的第一参考电压发生器和 第二参考电压发生器,用于产生由本地A / D转换器使用的第二参考电压,其中第一参考电压发生器和第二参考电压发生器作为公共参考电压发生器提供,其具有用于产生第一参考的参考电压发生器 电压和第二参考电压都被本地D / A转换器使用,并且用于稳定所产生的参考电压的电容元件连接在第一参考电压发生器的输出端和第二参考电压发生器的输出端之间。
    • 10. 发明申请
    • Semiconductor integrated circuit for communication including analog-to-digital conversion circuit
    • 用于通信的半导体集成电路包括模数转换电路
    • US20060022861A1
    • 2006-02-02
    • US11189701
    • 2005-07-27
    • Junya KudohKouichi YahagiTatsuji Matsuura
    • Junya KudohKouichi YahagiTatsuji Matsuura
    • H03M1/12
    • H03M1/0845H03M1/365H03M1/44H03M1/804H03M3/368H03M3/454
    • A semiconductor integrated circuit having a built-in A/D conversion circuit which enables, where the A/D conversion circuit is to be built into a semiconductor chip, the required capacitance of the stabilization capacitor to be connected to the output terminals of reference voltage generators for generating reference voltages to be reduced is to be provided to contribute to preventing the number of external terminals and the chip size from increasing. A semiconductor integrated circuit having a built-in differential type A/D conversion circuit comprising a differential amplifier, a local A/D converter and local D/A converters, further provided with a first reference voltage generator for generating a first reference voltage and a second reference voltage generator for generating a second reference voltage both for use by the local A/D converter, wherein the first reference voltage generator and the second reference voltage generator are provided as common reference voltage generators with a reference voltage generator for generating a first reference voltage and a second reference voltage both for use by the local D/A converters, and a capacitance element for stabilizing the generated reference voltages is connected between the output terminal of the first reference voltage generator and that of the second reference voltage generator.
    • 一种具有内置A / D转换电路的半导体集成电路,其能够将A / D转换电路内置于半导体芯片中,将要连接到参考电压的输出端的稳定电容器的所需电容 提供用于产生要减小的参考电压的发生器用于防止外部端子的数量和芯片尺寸的增加。 一种具有内置差分型A / D转换电路的半导体集成电路,包括差分放大器,局部A / D转换器和本地D / A转换器,还具有用于产生第一参考电压的第一参考电压发生器和 第二参考电压发生器,用于产生由本地A / D转换器使用的第二参考电压,其中第一参考电压发生器和第二参考电压发生器作为公共参考电压发生器提供,其具有用于产生第一参考的参考电压发生器 电压和第二参考电压都被本地D / A转换器使用,并且用于稳定所产生的参考电压的电容元件连接在第一参考电压发生器的输出端和第二参考电压发生器的输出端之间。